2111121211010 has 16 divisors (see below), whose sum is σ = 4342877919936. Its totient is φ = 723812986608.

The previous prime is 2111121210971. The next prime is 2111121211039. The reversal of 2111121211010 is 101121211112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15079437152 + ... + 15079437291.

It is an arithmetic number, because the mean of its divisors is an integer number (271429869996).

Almost surely, 2^{2111121211010} is an apocalyptic number.

2111121211010 is an abundant number, since it is smaller than the sum of its proper divisors (2231756708926).

2111121211010 is a wasteful number, since it uses less digits than its factorization.

2111121211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158874457.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111121211010 its reverse (101121211112), we get a palindrome (2212242422122).

The spelling of 2111121211010 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred eleven thousand, ten".